单选题Which description regarding OSPF Network LSAs is correct?（）A They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.B They are originat ed by Area Border Routers and are sent into a sin

题目
单选题
Which description regarding OSPF Network LSAs is correct?（）
A

They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.

B

They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.

C

They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.

D

They are originated by  every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.

相似考题

1.An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）A. stub areaB. transit areaC. border areaD. not-so-stubby area

2.Refer to the exhibit. OSPF is configured on all routers in the network. Area 5 is configured as an NSSA areA. The RIPv2 routes are redistributed into the OSPF domain on router R5. What two types of LSAs will be originated by router R5?（）A. type 1 Router LSAB. type 2 Network LSAC. type 3 Network Summary LSAD. type 4 ASBR Summary LSAE. type 5 AS External LSAF. type 7 NSSA External LSA

3.You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?（）A. Internal routers within the backbone area (area 0)B. Internal routers within the NSSAsC. Internal routers within the stubby areasD. ASBRsE. ABRsF. DRs and BDRs

4.Which of the following is true about an OSPF area border router (ABR)?()A. The ABR must have multiple interfaces connected to the backbone areAB. An ABR is a router with two interfaces, each connected to a different nonbackbone areAC. The only requirement to be considered an ABR is at least one interface connected to the backbone areAD. An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA

更多“单选题Which description regarding OSPF Network LSAs is correct?（）A They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.B They are originat ed by Area Border Routers and are sent into a sin”相关问题

  • 第1题：

    Which description regarding OSPF Network LSAs is correct?()

    A. They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.

    B. They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.

    C. They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.

    D. They are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.


    参考答案：C

  • 第2题：

    Refer to the diagram. Which OSPF configuration command is required to configure Area 3 a s atotally stubby area?()

    A. On the ABR router ospf 10 area 3 stub

    B. On all Area 3 routers router ospf 10 area 3 stub

    C. On all Area 3 routers router ospf 10 area 3 stub no - summary

    D. On the ABR router ospf 10 area 3 nssa

    E. On the ABR rou ter ospf 10 area 3 stub no - summary


    参考答案：E

  • 第3题：

    Which description regarding OSPF Network LSAs is correct?（）

    • A、They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.
    • B、They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.
    • C、They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.
    • D、They are originated by  every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.

    正确答案:C

  • 第4题：

    An OSPF non-backbone area allows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of SPF area does this describe？（）

    • A、stub area
    • B、transit area
    • C、border area
    • D、not-so-stubby area

    正确答案:D

  • 第5题：

    You have a multi-area OSPF network and you’re concerned because one of the sites is havingconnectivity problem to resources in a different area. Which IOS privileged mode command wouldyou enter to confirm that your network：  （A） has a path to its ABR，  （B） has a path to its ASBR， and  （C）the SPF calculation is functional？（）

    • A、show ip protocols
    • B、show running-config
    • C、show ip ospf neighbor
    • D、show ip ospf border-routers

    正确答案:D

  • 第6题：

    You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?（）

    • A、Internal routers within the backbone area (area 0)
    • B、Internal routers within the NSSAs
    • C、Internal routers within the stubby areas
    • D、ASBRs
    • E、ABRs
    • F、DRs and BDRs

    正确答案:E

  • 第7题：

    Which of the following is true about an OSPF area border router (ABR)?（）

    • A、The ABR must have multiple interfaces connected to the backbone areA
    • B、An ABR is a router with two interfaces, each connected to a different nonbackbone areA
    • C、The only requirement to be considered an  ABR is at least one interface connected to the backbone areA
    • D、An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA

    正确答案:D

  • 第8题：

    You want to limit the number of Type 7 LSAs to be converted into Type 5 LSAs at an appropriate ARB. Which two commands should you use from the [edit] hierarchy level within the JUNOS software configuration mode？（）

    • A、set protocols ospf area-range network/mask-length
    • B、set protocols ospf area area-id nssa area-range network/mask-length
    • C、set protocols ospf area area-id area-range network/mask-length restrict
    • D、set protocols ospf area area-id nssa area-range network/mask-length restrict

    正确答案:B,D

  • 第9题：

    多选题
    Into which two types of areas would an area border router (ABR) inject a default route?（）
    A

    stub

    B

    the autonomous system of an exte rior gateway protocol (EGP)

    C

    NSSA

    D

    totally stubby

    E

    the autonomous system of a different interior gateway protocol (IGP)

    F

    area 0


    正确答案： D,F
    解析： 暂无解析

  • 第10题：

    多选题
    Which three restrictions apply to OSPF stub areas?（）
    A

    The area cannot be a backbone area.

    B

    Inter area routes are suppressed.

    C

    The area has no more than 10 routers.

    D

    No virtual links are allowed.

    E

    No autonomous system border routers are allowed.

    F

    Redistribution is not allowed unless the packet is changed to a type 7 packet.


    正确答案： C,E
    解析： 暂无解析

  • 第11题：

    单选题
    Which of the following is true about an OSPF area border router (ABR)?（）
    A

    The ABR must have multiple interfaces connected to the backbone areA

    B

    An ABR is a router with two interfaces, each connected to a different nonbackbone areA

    C

    The only requirement to be considered an  ABR is at least one interface connected to the backbone areA

    D

    An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?（）
    A

    Internal routers within the backbone area (area 0)

    B

    Internal routers within the NSSAs

    C

    Internal routers within the stubby areas

    D

    ASBRs

    E

    ABRs

    F

    DRs and BDRs


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Which three restrictions apply to OSPF stub areas?()

    A. The area cannot be a backbone area.

    B. Inter area routes are suppressed.

    C. The area has no more than 10 routers.

    D. No virtual links are allowed.

    E. No autonomous system border routers are allowed.

    F. Redistribution is not allowed unless the packet is changed to a type 7 packet.


    参考答案：A, D, E

  • 第14题：

    Into which two types of areas would an area border router (ABR) inject a default route?()

    A. stub

    B. the autonomous system of an exte rior gateway protocol (EGP)

    C. NSSA

    D. totally stubby

    E. the autonomous system of a different interior gateway protocol (IGP)

    F. area 0


    参考答案：A, D

  • 第15题：

    Which three restrictions apply to OSPF stub areas？ （）

    • A、 No virtual links are allowed.
    • B、 The area cannot be a backbone area.
    • C、 Redistribution is not allowed unless the packet is changed to a type 7 packet.
    • D、 The area has no more than 10 routers.
    • E、 No autonomous system border routers are allowed.
    • F、 Interarea routes are suppressed.

    正确答案:A,B,E

  • 第16题：

    An OSPF non-backbone area follows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe？（）

    • A、stub area
    • B、transit area
    • C、border area
    • D、not-so-stubby area

    正确答案:D

  • 第17题：

    Area Border Router （ABR） is a router located on the border of one or more OSPF areas that connect those areas to the backbone network. An ABR will inject a default route into which two types of areas？（）

    • A、Area 0
    • B、NSSA
    • C、Totally stubby
    • D、Stub

    正确答案:C,D

  • 第18题：

    Into which two types of areas would an area border router (ABR) inject a default route?（）

    • A、stub
    • B、the autonomous system of an exte rior gateway protocol (EGP)
    • C、NSSA
    • D、totally stubby
    • E、the autonomous system of a different interior gateway protocol (IGP)
    • F、area 0

    正确答案:A,D

  • 第19题：

    An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）

    • A、stub area
    • B、transit area
    • C、border area
    • D、not-so-stubby area

    正确答案:D

  • 第20题：

    You want to limit the number of Type 7 LSAs to be converted into Type 5 LSAs at an appropriateABR. Which two commands should you use from the [edit] hierarchy level within JUNOS configuration mode?（）

    • A、set protocols ospf area-range network/mask-length
    • B、set protocols ospf area area-id nssa area-range network/mask-length
    • C、set protocols ospf area area-id area-range network/mask-length restrict
    • D、set protocols ospf area area-id nssa area-range network/mask-length restrict

    正确答案:B,D

  • 第21题：

    单选题
    Which description regarding OSPF Network LSAs is correct?（）
    A

    They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.

    B

    They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.

    C

    They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.

    D

    They are originated by  every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.


    正确答案： C
    解析： 暂无解析

  • 第22题：

    多选题
    Which three restrictions apply to OSPF stub areas？ （）
    A

    No virtual links are allowed.

    B

    The area cannot be a backbone area.

    C

    Redistribution is not allowed unless the packet is changed to a type 7 packet.

    D

    The area has no more than 10 routers.

    E

    No autonomous system border routers are allowed.

    F

    Interarea routes are suppressed.


    正确答案： E,C
    解析： 暂无解析

  • 第23题：

    多选题
    Area Border Router （ABR） is a router located on the border of one or more OSPF areas that connect those areas to the backbone network. An ABR will inject a default route into which two types of areas？（）
    A

    Area 0

    B

    NSSA

    C

    Totally stubby

    D

    Stub


    正确答案： B,C
    解析： 暂无解析

  • 第24题：

    单选题
    You have a multi-area OSPF network and you’re concerned because one of the sites is havingconnectivity problem to resources in a different area. Which IOS privileged mode command wouldyou enter to confirm that your network：  （A） has a path to its ABR，  （B） has a path to its ASBR， and  （C）the SPF calculation is functional？（）
    A

    show ip protocols

    B

    show running-config

    C

    show ip ospf neighbor

    D

    show ip ospf border-routers


    正确答案： D
    解析： 暂无解析

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